<ul class="nav nav-sidebar">
    <li id="department-list"><a href="{% url 'department-list' %}">部门-列表</a></li>
    <li id="department-add"><a href="{% url 'department-add' %}">部门-添加</a></li>
    <li id="department-update"><a href="{% url 'department-list' %}">部门-更新</a></li>
</ul>